Taxonomy
Synonyms
Dedea major Baill.Red List Status -
Least Concern (LC) , assessed in 26/10/2018
Q. major is an endemic tree from New Caledonia, where it is widely distributed across Grande Terre. It occurs in dense humid forest on ultramafic substrate from 100 to 1,350 m asl. Some subpopulations may be impacted by mining activities, but globally this species does not seem to be threatened. Its extent of occurrence (EOO) and area of occupancy (AOO) are estimated at 6,590 and 160 km², respectively. Therefore, Q. major is listed as Least Concern (LC).
Geographical area
This species is endemic to New Caledonia, where it has a scattered, but wide distribution across Grande Terre, from Plaine des Lacs to Farino and from the Boulinda massif to Pic Kaala.
Population
Population size is unknown.
Habitat
This tree grows in dense humid forest on ultramafic substrate (or rarely volcano-sedimentary) from 100 to 1,350 m asl.
Threats
Although some subpopulations may be impacted by mining activities (Goro (Vale), Camp des Sapins (SLN), Vulcain (SMGM)), this species does not appear to be threatened.
Conservation
Q. major is not protected by legislation in New Caledonia and occurs in numerous protected areas: Forêt de Saille, Mt. Humboldt, Massif du Kouakoué, Mt. Mou, Vallée de la Thy, Montagne des Sources, Pic du Grand Kaori and Pic du Pin natural reserves, as well as the Grandes Fougères, Rivière Bleue and Côte Oubliée provincial parks.
Bibliography
Endemia.nc 2016. Faune et Flore de Nouvelle-Calédonie.
Pillon, Y. & Héquet, V. 2019. Two new species of Quintinia (Paracryphiaceae) with notes on the species from New Caledonia and Vanuatu. Phytotaxa(397 (1)) , p.45-54.
Morat, P.; Jaffré, T.; Tronchet, F.; Munzinger, J.; Pillon, Y.; Veillon, J.-M. and Chalopin, M. 2012. Le référentiel taxonomique Florical et les caractéristiques de la flore vasculaire indigène de la Nouvelle-Calédonie [The taxonomic database « FLORICAL » and characteristics of the indigenous flora of New Caledonia]. Adansonia sér 3(34) , p.177-219.
Experts
Assessor(s): Amice, R., Bruy, D., Butin, J., Cazé, H., Dumontet, V., Fleurot, D., Gâteblé, G., Goxe, J., Henry, B., Héquet, V., Lagrange, A., Lannuzel, G., Mandaoué, L., Pillon, Y., Veillon, J.
Reviewer(s): Vandrot, H.
Facilitator(s): Warimavute, G., Meyer, S.